The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2018
Filed:
Apr. 10, 2015
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Masayuki Nishida, Sodegaura, JP;
Kanako Samejima, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/06 (2006.01); C08F 4/645 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
C08F 110/06 (2013.01); C08F 4/645 (2013.01); C08F 10/00 (2013.01); C08F 2500/17 (2013.01);
Abstract
Provided is a production method for an olefin-based polymer, including polymerizing an olefin raw material using (A) a transition metal compound, (B) a boron compound capable of forming an ion pair with the component (A), (C) a specific organoaluminum compound, and (D) a specific aluminoxane in presence of at least one or more kinds of (N) a nonpolymerizable unsaturated hydrocarbon in the olefin raw material or a polymerization solvent.